Các câu hỏi tương tự
Tìm x biết:
1/5.8+1/8.11+1/11.14+......+1/x(x+3)=98/1545
Tìm x:
\(\frac{1}{5.8}+\frac{1}{8.11}+\frac{1}{11.14}+...+\frac{1}{x\left(x+3\right)}=\frac{98}{1545}\)
Giúp mk nha ai giúp mk, mk cho 3 tick
\(\dfrac{1}{5.8}+\dfrac{1}{8.11}+\dfrac{1}{11.14}+...+\dfrac{1}{y\left(y+3\right)}=\dfrac{98}{1545}\)
Tìm x,y biết:
a) 1/5.8+1/8.11+1/11.14+...+1/y(y+3).=98/1545
b) 2x+7/6+13/12+21/20+31/30+43/42+57/56+73/72+91/90 = 0
Tìm y biết:
\(\frac{1}{5.8}+\frac{1}{8.11}+\frac{1}{11.14}+...+\frac{1}{y\left(y+3\right)}=\frac{98}{1545}\)
tìm x biết 1/5.8+1/8.11+1/11.14+..............+1/x[x+3]=101/1540
Tìm x biết:
3.x/2.5+3.x/5.8+3.x/8.11+3.x/11.14=1/21
1/5.8+1/8.11+1/11.14+...+1/x(x+3)=27/480
tính x biết: 1/5.8 + 1/8.11+1/11.14+ ....... +1/x(x+3)= 1 1991/1993